Yes it was in Sheffield in about 2016, I believe it was a collaboration with an event company. The price was reasonable I recall, but the tables small which put me off, but I went as a visitor and it was lovely. Stall holders had some great ideas for their use of the space, but it wouldn’t suit everyone. There’s a thread on here somewhere, we were recalling it a few weeks ago, I’ll have a look.
Here it is